.box {
  .father {
    display: flex;
    flex-wrap: wrap;
  }
  .kid {
    box-sizing: border-box;
    width: 33%;
    height: 120px;
    float: left;
    list-style: none;
    border: 20px solid #fff;
    text-decoration: none;
    color: black;
    box-sizing: border-box;
  }
  .img {
    width: 100%;
  }
}
